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| 05:49.55 | yukonbob | hello #brlcad |
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| 05:56.10 | Sricharanized | hi! |
| 06:00.43 | Sricharanized | Hi! I am Sricharan. I would love to contribute to BRLCAD. I know OpenGL and proficient in C++ and Python. About me: http://raincrash.github.io/ . |
| 06:00.58 | nmz787 | hi! |
| 06:01.10 | nmz787 | I am working on a python-brlcad script now |
| 06:01.14 | nmz787 | so I cleaned it up some more, stopped producing cylinders for the screw holes and trying to subtract them... rather just using the 'hole' command... but the hole command isn't working http://paste.pound-python.org/show/n4iU8AL2K0dDRZygyqMN/ |
| 06:01.19 | nmz787 | this is what it looks like http://imgur.com/L9k3aSm |
| 06:01.29 | nmz787 | (repasted from another IRC room) |
| 06:01.30 | nmz787 | :) |
| 06:02.18 | nmz787 | working to create a model of this cheap geared motor http://robocraft.ru/files/datasheet/28BYJ-48.pdf |
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| 07:09.02 | nmz787 | ok, got it to work! |
| 07:09.12 | nmz787 | kanzure: why was line 82 in http://paste.pound-python.org/show/n4iU8AL2K0dDRZygyqMN/ not throwing a readable python error? It was emitting: *** Error in `python': free(): invalid pointer: 0x0000000001865960 ***Aborted (core dumped) |
| 07:09.59 | nmz787 | shouldn't it be a NameError 'wings_block_chamfered' is not defined ? |
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| 12:40.43 | kanzure | nmz787: that's probably an error about union() not about combination() |
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| 21:11.53 | nmz787 | kanzure: but why wouldn't it be throwing a NameError? |
| 21:14.53 | kanzure | because the evaluation didn't get that far |
| 21:16.08 | nmz787 | yeah it did |
| 21:17.16 | kanzure | no, it failed on the union() |
| 21:17.50 | nmz787 | my working script (that completes the modelling I expect), if I change the last string for the last combination to a variable name that doesn't exist, it doesn't complain, only throwing a malloc error |
| 21:18.14 | nmz787 | no it seriously is working fully now, but if i change the variable name to a bullshit one, i don't get the python error |
| 21:18.18 | nmz787 | exception |
| 21:18.49 | nmz787 | (I didn't ever make any progress on the segfault stuff, but indeed when I load the .g file the script creates, my model is there) |
| 21:19.35 | nmz787 | (only with 7.24.0 that I compiled from the release source, 7.24.0 and 7.24.2 from .deb files don't allow python-brlcad to produce my complete model) |
| 21:21.13 | nmz787 | i was wondering how you might think to easily modify python-brlcad to emit tcl scripts, rather than touch the brlcad libraries directly... to have a fallback in case no one is up to help me get around these segfault issues |
| 21:21.29 | nmz787 | I was thinking maybe the primitive function decorator could be useful |
| 21:21.42 | nmz787 | but I don't know enough about decorators |
| 21:22.10 | nmz787 | something like when I call the rcc function/method, it just appends the function name and args to a string |
| 21:22.26 | nmz787 | and then when the with() statement closes, it writes that string to a .tcl file |
| 21:22.50 | nmz787 | obv you'd lose interactability with the brl-cad database |
| 21:23.25 | nmz787 | but it would push the brlcad responsible code to a more stable part of the codebase (tcl I'm guessing is pretty stable) |
| 21:28.23 | nmz787 | kanzure: this is like how you were complaining about silent errors in implicitcad |
| 21:31.39 | nmz787 | kanzure: this is the fully-working script http://paste.pound-python.org/show/B1DJ44g4Ie2bpoFPdvPX/ |
| 21:32.13 | nmz787 | if I change brl_db.combination(self.final_name to brl_db.combination(self.final_name1111 it doesn't give me a Python exception |
| 21:32.31 | nmz787 | I really don't know how to go about fixing this |
| 21:33.04 | kanzure | i am completely disinterested in emitting tcl scripts, that's nuts |
| 21:33.26 | kanzure | this isn't a silent error, it's a segfault |
| 21:33.53 | kanzure | you should try and see if you get a segfault in an equivalent c program |
| 21:33.59 | kanzure | wdb_example.py was based on wdb_example.c |
| 22:00.04 | nmz787 | how would I compile it? is there a walkthrough? |
| 22:00.10 | nmz787 | or a make file? |
| 22:01.02 | nmz787 | wasn't your spiral script emitting tcl? |
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